The purity of sulfanilamide was determined by means of automatic potentiometric titration using sodium nitrite as the titrant. The solution was spiked with potassium bromide, because bromide ions catalyze diazotization titration.
The purity of sulfanilamide was determined by means of automatic potentiometric titration using sodium nitrite as the titrant. The solution was spiked with potassium bromide, because bromide ions catalyze diazotization titration.